84785580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42821}}^1$

素因数の和:42847

約数の個数: 72

約数和(自身を含む): 280569744

約数和(自身を除く): 195784164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 42821, 85642, 128463, 171284, 214105, 256926, 385389, 428210, 471031, 513852, 642315, 770778, 856420, 942062, 1284630, 1413093, 1541556, 1884124, 1926945, 2355155, 2569260, 2826186, 3853890, 4239279, 4710310, 5652372, 7065465, 7707780, 8478558, 9420620, 14130930, 16957116, 21196395, 28261860, 42392790, 84785580]

約数ペア:

[(1, 84785580), (2, 42392790), (3, 28261860), (4, 21196395), (5, 16957116), (6, 14130930), (9, 9420620), (10, 8478558), (11, 7707780), (12, 7065465), (15, 5652372), (18, 4710310), (20, 4239279), (22, 3853890), (30, 2826186), (33, 2569260), (36, 2355155), (44, 1926945), (45, 1884124), (55, 1541556), (60, 1413093), (66, 1284630), (90, 942062), (99, 856420), (110, 770778), (132, 642315), (165, 513852), (180, 471031), (198, 428210), (220, 385389), (330, 256926), (396, 214105), (495, 171284), (660, 128463), (990, 85642), (1980, 42821)]